Couple aged 90 and 80 lucky to avoid injury when their front door was set on fire in Canley Vale

An elderly couple say they were lucky not to be injured after their front door was set on fire in Sydney's south-west on Saturday night.

Margaret Hogan, 80, went to investigate when she heard a fire alarm while she and her husband, 90, were lying in bed at their Cancery Street, Canley Vale, home about 7:30pm on Saturday. She found the front door ablaze.

She said she ran and got a bucket of water and threw it at the fire and neighbours soon arrived and started putting it out, before firefighters arrived and finished the job.